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Fencer Intel
high 7.5

CVE-2015-1304 json

object-observe.js in Google V8, as used in Google Chrome before 45.0.2454.101, does not properly restrict method calls on access-checked ob…

published 11y ago modified 4mo ago also EUVD-2015-1445

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

object-observe.js in Google V8, as used in Google Chrome before 45.0.2454.101, does not properly restrict method calls on access-checked objects, which allows remote attackers to bypass the Same Origin Policy via a (1) observe or (2) getNotifier call.

Patch / fix

  • oxide-qt Ubuntu 14.04 LTS 1.9.5-0ubuntu0.14.04.1
  • oxide-qt Ubuntu 16.04 LTS 1.9.5-0ubuntu1
  • chromium-browser Ubuntu 14.04 LTS 45.0.2454.101-0ubuntu0.14.04.1.1099
  • chromium-browser Ubuntu 16.04 LTS 45.0.2454.101-0ubuntu1.1201

ubuntu advisories UBUNTU-CVE-2015-1304

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • chromium-browser RHEL 6 EXTRAS 45.0.2454.101-1.el6

red hat advisories RHSA-2015:1841

  • chromium openSUSE Tumbleweed 55.0.2883.75-3.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1

opensuse advisories openSUSE-SU-2024:10171-1openSUSE-SU-2024:12948-1

Is CVE-2015-1304 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-1304 updated cvss 5.8

chromium-browser: Cross-origin bypass in V8

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 45.0.2454.101-1.el6 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 45.0.2454.101-1.el6 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 45.0.2454.101-1.el6
    fixed: vendor fix RHSA-2015:1841

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.76% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.